The branch of zoology that studies birds.

Roget 368: zoology, zoonomy^†, zoography^†, zootomy^†; anatomy; comparative anatomy; animal physiology, comparative physiology; morphology; mammalogy.    anthropology, ornithology, ichthyology, herpetology, ophiology^†, malacology^†, helminthology [Med.], entomology, oryctology^†, paleontology, mastology^†, vermeology^†; ornithotomy^†, ichthyotomy^†, &c.; taxidermy.    zoologist etc. ... show more

Dutch: ornitologie, vogelkunde
Polish: ornitologia